INA219是TI公司的一款电流分流数字输出产品，INA219是26V、双向、零漂移、低侧/高侧、I2C 输出电流/功率监控器，本页介绍了INA219的产品说明、应用、特性等，并给出了与INA219相关的TI元器件型号供参考。
INA219 - 26V、双向、零漂移、低侧/高侧、I2C 输出电流/功率监控器 - 电流分流数字输出 - 电流感应放大器 - TI公司（Texas Instruments，德州仪器）
The INA219 is a high-side current shunt and power monitor with an I2C interface. The INA219 monitors both shunt drop and supply voltage, with programmable conversion times and filtering. A programmable calibration value, combined with an internal multiplier, enables direct readouts in amperes. An additional multiplying register calculates power in watts. The I2C interface features 16 programmable addresses.
The INA219 is available in two grades: A and B. The B grade version has higher accuracy and higher precision specifications.
The INA219 senses across shunts on buses that can vary from 0V to 26V. The device uses a single +3V to +5.5V supply, drawing a maximum of 1mA of supply current. The INA219 operates from –40°C to +125°C.
- SENSES BUS VOLTAGES FROM 0V TO +26V
- REPORTS CURRENT, VOLTAGE, AND POWER
- 16 PROGRAMMABLE ADDRESSES
- HIGH ACCURACY: 0.5% (Max) OVER TEMPERATURE (INA219B)
- FILTERING OPTIONS
- CALIBRATION REGISTERS
- SOT23-8 AND SO-8 PACKAGES
